CN109199769B - Pediatric intrapulmonary foreign matter suction device - Google Patents

Abstract

A pediatric pulmonary foreign body suction device solves the problems of complex structure, troublesome operation, high cost and high work intensity of medical staff of the current pulmonary foreign body suction device, which includes a box-shaped fixed table, the upper end and the right end of the fixed table They are all open structures. There is a horizontally slidable support table in the fixing table. A plurality of conduits are fixed at the lower end of the support table. A threaded rod is threadedly connected to the lower end of each conduit. The outer side of the gear is meshed with a rack fixed in the fixed platform, and the lower end of the threaded rod is rotatably connected with a vertical sliding boss to form a structure in which the horizontal sliding of the supporting platform drives the boss to slide vertically; the left side of the fixed platform is A horizontally slidable pressing device is arranged on the side, and the pressing device can slide vertically; a negative pressure suction device is fixed on the left side of the pressing device.

Description

A pediatric pulmonary foreign body suction device

technical field

The invention relates to the technical field of medical devices, in particular to a pediatric pulmonary foreign body suction device.

Background technique

The lung is the respiratory organ of the human body and an important hematopoietic organ of the human body. It is located in the chest cavity, one on the left and one on the left, and covers the heart.

The various organs of children are not mature enough, and foreign bodies are often inhaled into the lungs, which affects the normal breathing of children. If they are not removed in time, the foreign bodies may further enter the bronchial tubes, causing bronchial blockage and necrosis. Bacterial infection caused by the presence of foreign bodies in the child will cause pneumonia in children. Most of the intrapulmonary suction devices on the market are complex in structure, troublesome to operate, and costly. high.

SUMMARY OF THE INVENTION

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a pediatric pulmonary foreign body suction device, which effectively solves the complex structure of the current pulmonary foreign body suction device, troublesome operation, high cost, and high work intensity of medical staff. The problem.

In order to achieve the above-mentioned purpose, the present invention includes a box-type fixing table, the upper end and the right end of the fixing table are both open structures, the fixing table is provided with a horizontally slidable support table, the lower end of the support table is fixed with a plurality of conduits, each conduit The lower end of the threaded rod is threadedly connected with a threaded rod, each threaded rod is sleeved and fixed with a gear, the outer side of the gear is engaged with a rack fixed in the fixed table, and the lower end of the threaded rod is rotatably connected with a vertical sliding boss, which constitutes A structure in which the support table slides horizontally and drives the boss to slide vertically;

The left side of the fixing table is provided with a pressing device that can slide horizontally, and the pressing device can slide vertically;

A negative pressure suction device is fixed on the left side of the pressing device;

A plurality of support legs are fixed at the lower end of the support platform, a T-shaped slider is connected to the lower end of the support leg on the same side, and a plurality of rollers are arranged at the lower end of the slider;

The lower end of the fixed table is provided with two sets of T-shaped chute, each chute is provided with a vertically slidable support plate, the roller slides along the support plate, and the lower end of the slider is located in the chute, forming a support table A structure that can slide vertically and horizontally;

The lower end of the shown support plate is connected with a plurality of springs, and the lower end of the spring is fixedly connected with the fixing table;

The number of the support legs and the bosses is the same, the lower part of the support legs is provided with a vertical blind hole, the inner side of the boss is fixed with a guide rod, and the guide rod can be slidably inserted into the blind hole;

The pressing device includes a box body fixed on both sides of the fixing table, a lead screw is rotatably arranged in the box body, and a rectangular block is horizontally slidable in the box body. There is a rotating shaft, the upper end of the rotating shaft is threadedly connected with a sliding tube, a stage is fixedly connected between the two sliding tubes, an operation device is fixed on the stage, and a vertically slidable pressing head is arranged below the operation device , the operating device controls the vertical reciprocating movement of the pressing head;

The operating device includes a control box fixed on the stage, the control box is provided with a rotatable incomplete internal gear, the inner side of the incomplete internal gear is meshed with an external gear, and the incomplete internal gear is coaxially fixed with an incomplete external gear. , the incomplete external gear meshes with the external gear, there is no overlapping angle between the tooth segments of the incomplete internal gear and the incomplete external gear in the circumferential direction, and the incomplete internal gear and the incomplete external gear have the same segment arc length;

The gear shaft of the incomplete internal gear is connected with a motor fixed in the control box.

Preferably, the lower end of the gear shaft of the external gear is rotatably penetrated through the stage and is threadedly connected with a vertically sliding round table, the pressing head is fixed on the lower end of the round table, and the outside of the pressing head is covered with a buffer portion.

Preferably, the upper end of the round table is provided with a guide hole, and a guide rod is vertically slidable in the guide hole, and the upper end of the guide rod penetrates the round table and is fixedly connected to the stage.

Preferably, the negative pressure suction device includes a support plate fixed on the outer side of the fixing table, the negative pressure device is fixed on the support plate, the negative pressure device includes a vacuum suction pump, the vacuum suction pump is connected with a suction pipe, and the end of the suction pipe is connected with a suction pipe. suction head.

The invention places the child on the support table, the support table first produces a buffering effect to avoid secondary injury to the child, pushes the support table to slide horizontally, the support table is locked during the sliding process, and the child is located in the pressing device. Below, adjust the height and horizontal position of the pressing device to find the most suitable position, insert the suction head and the suction tube into the child's lungs together, use the pressing device to reciprocately press the child's chest, and the negative pressure suction device cooperates with the pressing device It can quickly suck out and clean the foreign bodies in children's lungs.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

FIG. 1 is a schematic diagram of the overall structure of the present invention.

Figure 2 is a schematic diagram of the present invention after planing the fixing table and the pressing device

FIG. 3 is a schematic structural diagram of the pressing device of the present invention.

FIG. 4 is a schematic diagram of the fixed table structure of the present invention.

FIG. 5 is a schematic diagram of the horizontal sliding structure of the rectangular block in the box of the present invention.

FIG. 6 is a schematic structural diagram of the support platform of the present invention after horizontal sliding and planing.

FIG. 7 is an enlarged schematic diagram of part A in FIG. 6 .

FIG. 8 is a schematic diagram of a preliminary horizontal sliding structure of the support table of the present invention.

FIG. 9 is a schematic diagram of the locked structure in the sliding of the support table according to the present invention.

FIG. 10 is a schematic diagram of the structure of the support plate of the present invention.

11 is a schematic diagram of the meshing structure of the incomplete internal gear, the incomplete external gear and the external gear in the control box of the present invention.

Detailed ways

The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings 1-11.

As shown in Figures 1-11, the present invention includes a box-shaped fixing table 1, the fixing table 1 can be used for fixing and supporting the left and right sides well, the upper end and the right end of the fixing table 1 are both open structures, and the fixing table 1 has an open structure. The upper end and the right end are both open and hollow, which is convenient for processing and operation. The fixed platform 1 is provided with a horizontally slidable support platform 2. Soft objects can be laid on the support platform 2, and children can be placed on the support platform 2. A plurality of conduits 3 are fixed at the lower end of the support table 2, and the conduits 3 can be four. The lower end of each conduit 3 is threadedly connected with a threaded rod 4. The lower part of the conduit 3 is provided with an internal thread, and the threaded rod 4 is provided with an external thread, which is threadedly connected. With self-locking, a gear 5 is fixed on each threaded rod 4. The gear 5 rotates and moves with the threaded rod 4. The outer side of the gear 5 is engaged with a rack 6 fixed in the fixed table 1. The rack 6 is Two, and the length of the rack 6 is longer, the rack 6 is fixed, and the lower end of the threaded rod 4 is rotatably connected with a vertically sliding boss 7, which constitutes the horizontal sliding of the support table 2 to drive the boss 7 to slide vertically. The support table 2 slides horizontally, thereby driving the gear 5 to slide along with it, and the gear 5 meshes with the rack 6. At this time, the gear 5 rotates, and the rotation of the gear 5 drives the threaded rod 4 to rotate, and the threaded rod 4 and the The casing is threadedly connected. At this time, the threaded rod 4 slides vertically, and the vertical movement of the threaded rod 4 drives the boss 7 to slide vertically, and the boss 7 and the lowermost end of the fixed platform 1 slowly contact And gradually clamp, so as to fix the support table 2;

The left side of the fixing table 1 is provided with a pressing device 8 that can slide horizontally, the pressing device 8 can slide vertically, and the support table 2 is located below the pressing device 8 after sliding, and the horizontal position of the pressing device 8 is adjusted. chest compressions;

A negative pressure suction device 9 is fixed on the left side of the pressing device 8, and the pressing device 8 and the negative pressure suction device 9 are used together to quickly absorb and clean the foreign bodies in the child's lungs.

The lower end of the support table 2 is fixed with a plurality of support legs 11, the support table 2 is four and there are two on each side, the lower end of the support legs 11 on the same side is connected with a T-shaped slider 12, and the lower end of the slider 12 is connected with a T-shaped slider 12. There are a plurality of rollers 13, and the slider 12 can play a preliminary supporting state together;

The lower end of the fixing table 1 is provided with two sets of T-shaped chute, each chute is provided with a vertically slidable support plate 14, the roller 13 slides along the support plate 14, and the lower end of the slider 12 is located in the chute 7 , the slider 12 not only acts as a horizontal limit, but also prevents the slider 12 from disengaging from the chute, forming a structure in which the support table 2 can slide vertically and horizontally.

The lower end of the shown support plate 14 is connected with a plurality of springs 15, and the lower end of the spring 15 is fixedly connected with the fixed platform 1. The spring 15 can play a buffering role, and the child is placed on the support platform 2. Under the left and right gravity of the child, The support table 2 will perform a buffer downward to avoid secondary injury to children. The roller 13 is in a rolling state, and the resistance is small when the support table 2 is pushed, which is convenient to operate and can save physical strength to a great extent.

The support legs 11 and the bosses 7 have the same number, four, and their positions correspond one by one. The lower part of the support legs 11 is provided with a vertical blind hole 16, and the inner side of the boss 7 is fixed with a guide rod 17, and the guide rod 17 can be adjusted. Slidingly inserted into the blind hole 16 , the support legs 11 not only serve as the left and right for preliminary support, but also provide a limit for the vertical sliding of the boss 7 .

The outer side of the boss 7 is covered with a buffer layer, and the buffer layer is in pressing contact with the top of the fixing table 1. The buffer layer can be rubber, so that the support table 2 is supported and locked reliably. At this time, the support legs 11 are basically Not acting as a support.

The pressing device 8 includes a box body 18 fixed on both sides of the fixing table 1. A lead screw 19 is rotatably provided in the box body 18. The right end surface of the lead screw 19 is flush with the right end surface of the box body 18, and the right end surface of the lead screw 19 There is a prismatic slot hole, the slot hole can be inserted and the crank handle can be slidably inserted, and the lead screw 19 is driven to rotate by the rotation of the crank handle. In order to avoid the risk of injury to the operator, the box body 18 is provided with a rectangular block 20 that can slide horizontally. The upper end of the rectangular block 20 penetrates the box body 18. The guide groove is provided with a horizontal sliding guide block, the upper end of the guide block is fixedly connected to the rectangular block 20 through the guide groove, the upper end of the rectangular block 20 is rotatably provided with a rotating shaft 21, and the rotating shaft 21 can be fixed with the rectangular block 20 through a bearing connect. A sliding tube 22 is threadedly connected to the upper end of the rotating shaft 21, and the sliding tube 22 can be slid vertically by rotating the rotating shaft 21. A stage 23 is fixedly connected between the two sliding tubes 22, and the stage 23 is a cross Shaped platform, an operating device is fixed on the stage 23, and a vertically slidable pressing head 24 is arranged below the operating device. suck out.

The operating device includes a control box 25 fixed on the stage 23. The control box 25 is provided with a rotatable incomplete internal gear 26. The inner side of the incomplete internal gear 26 is meshed with an external gear 27. The shaft is fixed with an incomplete external gear 28, the incomplete external gear 28 meshes with the external gear 27, there is no overlapping angle between the tooth segments of the incomplete internal gear 26 and the incomplete external gear 28 in the circumferential direction, and the incomplete internal gear 26 and the incomplete external gear 28. The outer gear 28 has the same tooth segment arc length, which can well realize that the vertical movement distance of the pressing head 24 is the same, and will not cause unnecessary influence on children.

The gear 5 of the incomplete internal gear 26 is connected with a motor fixed in the control box 25 , and the motor rotates in one direction to realize the forward and reverse rotation of the external gear 27 .

The lower end of the gear 5 shaft of the shown external gear 27 is rotatably penetrated through the stage 23 and is screwed with a vertically sliding round table 29. The pressing head 24 is fixed on the lower end of the round table 29. The top part can be a rubber layer, and the pressing head 24 slides back and forth to press the child's chest.

The upper end of the round table 29 is provided with a guide hole, and a guide rod 30 is arranged vertically sliding in the guide hole. The upper end of the guide rod 30 penetrates the round table 29 and is fixedly connected to the stage 23, and the guide rod 30 cooperates with the guide hole, which is convenient and convenient to process. The limit function can be well completed.

The negative pressure suction device 9 includes a support plate fixed on the outer side of the fixed table 1, and a negative pressure device is fixed on the support plate. The negative pressure device includes a vacuum suction pump, the vacuum suction pump is connected with a suction pipe, and the end of the suction pipe is connected with a suction pipe. Only one negative pressure suction device 9 is needed, insert the suction head together with the suction tube into the lungs of the child, and suck out the foreign body through the vacuum suction pump.

When the present invention is used, the child is placed on the support table 2, and a spring 15 is provided under the support plate 14. After the child is placed on the support table 2, the support table 2 will move downward, and the spring 15 can play a very good buffer. To prevent the child's illness from getting worse, then push the support table 2 to slide horizontally. At this time, due to the left and right sides of the roller 13, the frictional resistance is small, and it is easier to push the support table 2. During the horizontal sliding process of the support table 2, the gear 5 and the The rack 6 is engaged, and the gear 5 is fixedly connected with the threaded rod 4. During the rotation of the gear 5, the gear 5 moves downward along with the threaded rod 4 at the left and right of the threaded connection between the threaded rod 4 and the casing. The downward movement makes the boss 7 move downward, and the boss 7 moves to slowly contact with the fixed platform 1 and continuously squeezes. At this time, the boss 7 drives the threaded rod 4 and the sleeve to play a main supporting role. , the supporting role of the support legs 11 is relatively small, the support table 2 is firmly locked, and the support table 2 completes its own locking during the sliding process, so as to avoid the equipment from moving when the child is sucking foreign objects;

When the support table 2 is locked, the support table 2 is basically located directly below the pressing device 8, and the horizontal position of the pressing device 8 is properly adjusted, and the rectangular block 20 is driven to slide horizontally by the rotation of the lead screw 19, so that the pressing device 8 Just above the child's chest;

Adjust the vertical position of the pressing device 8 by rotating the rotating shaft 21, so that the pressing head 24 is in a position where the pressure is suitable;

Insert the suction head and the suction tube into the lungs of the child together, the vacuum suction pump works, the motor also starts to work, and the rotation of the motor makes the gear 5 of the external gear 27 rotate forward and reverse, so that the pressing head 24 reciprocates and vertically slides, The pressing device 8 cooperates with the negative pressure suction device 9 to speed up the suction of foreign bodies in the lungs of children, and at the same time make the suction more clean.

Compared with the prior art, the present invention has the following advantages: 1) the child is placed on the support table 2, and the support table 2 has a buffer, which can effectively avoid the secondary injury of the child and reduce the occurrence of unexpected situations; 2) incomplete The structure in which the external gear 28 and the incomplete internal gear 26 are matched with the external gear 27 realizes the function of one-way drive and the two-way alternate output of the external gear 27. It is not necessary to drive the equipment forward and reverse. The length of the tooth segment of the incomplete internal gear 26 can control the forward and reverse rotation of the external gear 27. By changing the distribution position of the incomplete external gear 28 and the incomplete internal tooth segment, the forward and reverse rotation of the external gear 27 can be realized. , Stop the action sequence of the three states, according to the actual clinical requirements, can complete various requirements for pressing; 3) The support table 2 completes its own locking during the sliding process, all devices are mechanical structures, no need Electricity and electronic control, production and production costs are relatively low, and maintenance costs are low, and lubricating oil can be added after long-term use; 4) There is no leakage of the lead screw 19, which can well avoid the collision of others and cause damage to personnel. Risk of injury; 5) Both the pressing device 8 and the negative pressure suction device 9 are used together, so that the foreign body in the child's lung can be quickly and cleanly absorbed.

The invention places the child on the support table, the support table first produces a buffering effect to avoid secondary injury to the child, pushes the support table to slide horizontally, the support table is locked during the sliding process, and the child is located in the pressing device. Below, adjust the height and horizontal position of the pressing device to find the most suitable position, insert the suction head and the suction tube into the child's lungs together, use the pressing device to reciprocately press the child's chest, and the negative pressure suction device cooperates with the pressing device It can quickly suck out and clean the foreign bodies in children's lungs.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (4)

1. A pediatric pulmonary foreign body suction device is characterized in that, comprising a box-shaped fixing table (1), the upper end and the right end of the fixing table (1) are both open structures, and the fixing table (1) is provided with a horizontal A sliding support table (2), a plurality of conduits (3) are fixed at the lower end of the support table (2), a threaded rod (4) is threadedly connected to the lower end of each conduit (3), and each threaded rod (4) is sleeved A gear (5) is fixed, the outer side of the gear (5) is engaged with a rack (6) fixed in the fixing table (1), and the lower end of the threaded rod (4) is rotatably connected with a vertical sliding boss (7). ) to form a structure in which the support table (2) slides horizontally and drives the boss (7) to slide vertically; The left side of the fixing table (1) is provided with a pressing device (8) that can slide horizontally, and the pressing device (8) can slide vertically; A negative pressure suction device (9) is fixed on the left side of the pressing device (8); A plurality of supporting legs (11) are fixed at the lower end of the supporting platform (2), a T-shaped sliding block (12) is connected to the lower end of the supporting leg (11) on the same side, and the lower end of the sliding block (12) is provided with a plurality of supporting legs (11). roller (13); The lower end of the fixing table (1) is provided with two sets of T-shaped chute, each chute is provided with a vertically slidable support plate (14), the roller (13) slides along the support plate (14), and the sliding The lower end of the block (12) is located in the chute, forming a structure in which the support table (2) can slide vertically and horizontally; A plurality of springs (15) are connected to the lower end of the shown support plate (14), and the lower ends of the springs (15) are fixedly connected to the fixing table (1); The number of the support legs (11) and the bosses (7) is the same, the lower part of the support legs (11) is provided with a vertical blind hole (16), the inner side of the boss (7) is fixed with a guide rod (17), and the guide rod ( 17) slidably inserted into the blind hole (16); The pressing device (8) comprises a box body (18) fixed on both sides of the fixing table (1), a lead screw (19) is rotatably arranged in the box body (18), and the box body (18) can slide horizontally in the box body (18). The rectangular block (20) is provided with a rectangular block (20), and the rectangular block (20) is threadedly connected with the lead screw (19). A slide tube (22), a stage (23) is fixedly connected between the two slide tubes (22), an operating device is fixed on the stage (23), and a vertically slidable pressing head is arranged below the operating device (24), the operating device controls the vertical reciprocating movement of the pressing head (24); The operating device comprises a control box (25) fixed on the object platform (23), the control box (25) is provided with a rotatable incomplete internal gear (26), and the inner side of the incomplete internal gear (26) is meshed with a External gear (27), incomplete internal gear (26) is coaxially fixed with incomplete external gear (28), incomplete external gear (28) meshes with external gear (27), incomplete internal gear (26) and incomplete There is no overlapping angle in the circumferential direction of the tooth segments of the external gear (28), and the incomplete internal gear (26) and the incomplete external gear (28) have the same tooth segment arc length; The gear shaft of the incomplete internal gear (26) is connected with a motor fixed in the control box (25). 2. A pediatric pulmonary foreign body suction device according to claim 1, characterized in that the lower end of the gear shaft of the external gear (27) is rotatably penetrated through the stage (23) and is threadedly connected with a vertical sliding The round table (29) is formed, the pressing head (24) is fixed on the lower end of the round table (29), and the outside of the pressing head (24) is covered with a buffer portion. 3. A pediatric pulmonary foreign body suction device according to claim 2, characterized in that, a guide hole is provided on the upper end of the circular platform (29), and a guide rod (30) is vertically slidable in the guide hole. The upper end of the rod (30) penetrates through the round table (29) and is fixedly connected with the stage (23). 4. A pediatric pulmonary foreign body suction device according to claim 1, characterized in that, the negative pressure suction device (9) comprises a support plate fixed on the outer side of the fixing table (1), and a negative pressure suction device is fixed on the support plate The negative pressure device includes a vacuum suction pump, the vacuum suction pump is connected with a suction pipe, and the end of the suction pipe is connected with a suction head.

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